Rolling-mill



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SL V. HUBER.

ROLLING MILL.

No. 529,124. Petented Nev. 13, v1894.

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'No 5z9, 124 Patented Nov. 13, 1894;

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No. 529,124. a PatentedNov. 13,1894.

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UNTTED STATES PATENT OFFICE.

SIGMUND V. HUBER, AOF PITTSBURG, PENNSYLVANIA.

ROLLING-MILL.

SPECIFICATION forming part of Letters Patent No. 529,124, dated November13, 1894.

` .Application filed May 1, 1894. Serial No. 509,629. (No model.)

To @ZZ whom it may concern:

Be it known that I, SIGMUND V. HUBER, a citizen of the United States,residing at Pittsburg, in the county of Allegheny and State ofPennsylvania, have invented or discovered certain new and usefulImprovements in Rolling-Mills, of which improvements the following is aspecification.

It has heretofore been customary in rolling mill practice where tablesare employed for transferring the article being rolled from one pass toanother in the same stand of rolls, or from a pass in one stand to apass in another stand of rolls, to shift the table onto which thearticle is fed by the rolls. This practice results in considerable-lossof time, as the first pass or stand of rolls must remain idle, while thetable is being shifted to the next pass or stand and back again, andalso while the article is passing through such second pass or rolls.

The object of the present invention is to provide for the transfer ofthe article from one pass or stand to another pass or stand without anymovement of the table or tables, so that the first pass or stand can beused simultaneous with the second pass or stand, thereby nearly doublingthe capacity of the mill.

lt is a further object of said invention to provide for the axialrotation of the article and for its being raised or lowered during suchtransfer.

In general terms, the invention consists in the construction andcombination substan tially as hereinafter more fully described andparticularly claimed.

' In the accompanying-drawings forming a part of this specification,Figure l is a top plan View of a rolling mill having myimprovementsapplied thereto. Figs. 2 and 3 are side and end elevations respectivelyof the mill. Fig. 4Y is a detail view on an enlarged scale of thetransferring carriage. Fig. 5 is a view showing certain modifications inthe construction of the head of the transferring carriage. Fig. 6illustrates the adjustable guideway in two positions thereof. Fig. 7 isa view similar to Fig. 4, showing a construction whereby a movement ofthe tilting head greater than ninety degrees may be obtained; A

jthe line of feed of the reducing rolls.

and Fig. 8 is a detail View, illustrative of a modification of thedevice shown in Fig. 7.

The rolls l and la are mounted in the usual or any suitable manner inthe housings 2 and 2, which are arranged alongside of each other, asshown in Fig. l. In front of eachstand of rolls I arrange a receivingtable, consisting of a series of columns or supports 3, secured to asuitable foundation and longitudinal channel plates or other structuralshapes 4, riveted to the upper ends of the columns. As shown in Figs. land 3, the columns with the beams are arranged to one side of the lineof feed of the rolls in the two stands or sets, and on the longitudinalbeams are secured channel bars or I-beams 5, arranged transversely ofthe beams 4 and projecting across On these transverse channel bars aresecured plates 6, forming the beds of the tables, and on the plates arebolted angle bars 7 forming guides for the articles being rolled. Byforniing a series of holes in the plates 6, the angle bars can bearranged in line with any of the passes in the reducing roll.

The plates 6 forming the beds of the tables are placed a sufficientdistance apart to permit of the arrangement of the feed rollers 8between them. These feed rollers are provided on one end with journals9, which are so mounted in suitable bearings 10, secured to thelongitudinal beams 4, that portions of the rollers will project slightlyabove the surfaces of the plates 6, in order that the article ings, sothat a clear space is provided for the movements of the transfercarriage, from the line offeed of one pass or stand of rolls to the lineof feed of the other pass or stand of rolls.

lIt will be understood by those skilled in the art, that a set of tablessimilar to those de- IOO scribed will, in practice, be arranged on eachside of each stand or set of rolls, one table of each set being areceiving table and the other a delivery table. In the arrangement shownin the drawings,Ais the receiving table,and B the delivery table. As thearticle is pushed onto the receiving table A by the reducing rolls, itsrollers 8 need not be positively driven, but as the article has to beshifted along the delivery table to the reducing rolls, its rollers 3are positively driven by bevel pinions 11 on the shaft 12, intermeshingwith corresponding pinions 13 on the ends of the journals 9. It will beunderstood that the rollers S of the receiving table may be positivelydriven, in the same manner as the rollers of the delivery table, ifdesired.

The transfer mechanism consists of a series of two or more posts orstandards 14, having Jtheir lower ends secured to a longitudinal beampreferably consisting of two channel plates 15, which form thebody ofthe transfer mechanism or carriage. Two sets of brackets 16 are securedto opposite sides of the channel plates or body of the carriage and inthese brackets are mounted the wheels 17, which are adapted to traversethe rails 18, arranged between the receiving and delivery tables andprojecting under the same as shown in Figs. 1 and 3. Arms 19 keyed to arock shaft 20, are connected by links 21 to the carriage and on the rockshaft are keyed arms 22, which are connected by links 23, toaslide 24,

operated by the pistons of fluid pressure cylinder or cylinders 25.

In order to obtain a vertical movement of the carriages when required,the rails on which the carriage moves are attached to any suitablelifting mechanism, such, for example, as that shown in Figs. 2 and 3 ofthe drawings, wherein the rails are shown secured at .or near their endsto two sets of arms 26 and 27, which are keyed to shafts 28 and 29,respectively. On one of the shafts as 28, are keyed arms 30 having theirends connected by links 31, to a suitable operating mechanism, as, forexample, a block 32, which is reciprocated by double acting iiuidpressure cylinders 32a. In order to impart a simultaneous movement tothe shaft 29, an arm or arms 33 are keyed to the shaft 29, and areconnected by links 34 tothe arms 30, on shaft 28.

On the upper ends of the posts or standards 14 are pivotally mountedheads 35, having shelves or fiat portions 36 for supporting the articleto be transferred, and guide lugs 37, bolted to the shelves. Theseshelves are normally supported in a horizontal position by shoulders 38formed on or attached to the posts or standards.

In order to turn the heads 35 to impart the desired axial rotation tothe article being rolled, the heads are connected by links 39 to one endof arms 40, keyed to a shaft 41 extending the entire length of thetransfer carriage and mounted in suitable bearings on the posts orstandards 14, as shown in Figs.

3 and 4. One of the arms 40 is formed with an extension 42, on theopposite side of the shaft 41, provided at its end with a lateralprojection preferably in the form of an antifriction roller 43, adaptedto ride upon a ledge 44, on the side of one of the rails 18. At one end,the ledge is provided with a curved groove 45 into which the roller 43enters, thereby lowering the end of the extension 42 and so shifting theshaft 41 and arms 40, as to tilt the heads 35. The degree to which theheads are tilted will depend upon the depth to which the roller entersthe groove.

In order to provide for a regulation of the time at which the headsshould be tilted and also the degree of movement to be imparted to thehead, the ledge supporting the roller 43 is made adjustable as regardsits length. The track or rail 18 preferably consists of the rail properand the supporting member formed of two channel plates placed face toface. The ledge 44 formed of angle iron is made in two sections a and b,the section a being riveted to the supporting portion of the rail 18,while the other section b is adjustably attached to the supportingportion of the rail, as shown in Fig. G. The adjacentends of thesections are made in the form of tongues which overlap forming a continnous support for the roller 43 even when the sections are adjusted apartto the greatest extent required. It will be readily understood that bymoving the section b, carrying the curved groove 45, toward and from thesection ct, the time at which and the depth to which the roller 43 willenter the groove, for a given moment of the transfer carriage, can bereadily regulated.

In operating my improved plant, the rails 18 and with them the carriage,are lowered and the latter shifted, until the shelves 36 of the heads 35are in line with, but below the guide trough on the receiving table. Assoon as the article being rolled has passed ont of the reducing rollsand into the guidetrough, the rails and carriage are raised, the heads35 passing through suitable openings in the table, lifting the articleout of the trough. Fluid pressure is then admitted to the cylinders25,so as to shift the slide 24 and thereby through the mechanismdescribed, shift the carriage carrying the article, along the rails 18to the delivery table B. As the carriage is shifted, its posts orstandards 14 pass into suitable slots or openings in the table B, theheads 35 being raised above the table sufficiently far to bring thearticle carried by the head into a vertical plane through that groove inthe reducing rolls through which the article is to pass. During themovement of the carriage along the rails, the roller 43 enters thecurved groove 45, thereby turning the head 35, through an arc whoseangularity is dependent upon the adjustment of the sectionb of the ledge44, as hereinbefore described. It will be understood thatin case it isdesired to further reduce the article without axial rotation, thesection b of the ledge IOO IIO

44 will be so adjusted that the roller 43 will not enter the curvedgroove 45, or a straight section will be substituted for the onecarrying the curved groove. As soon as the article has been carried intothe desired vertical plane, the rails 18 and carriage are lowered,depositing the article on the table B, and the downward movement of thecarriage is continued until it can be returned to table A, withoutdisturbing the article deposited on the table B.

It will be readily understood from the foregoing, that, as soon as thearticle has been lifted from table A by the carriage and the lattermoved out of line with the guide trough on the table A, that anotherarticle can be fed through the reducing rolls 1 without Waiting for thereturn of the carriage.. And further, after the carriage has depositedan article upon the table B, it can be returned to table A, withoutWaiting for the article to pass off table B.

While the delivery, table is shown'higher than the receiving table A,this arrangement can be reversed or both tables can be arranged on thesame level.

In order to provide for a proper presentation of an article to thedelivery table or rolls l, suitable stops 46 are provided. l This stopis made in the form of an angle and is secured upon the post 14, asshown in Figs. 4 and 5. If in rolling slabs, the wide pass is in therolls 1, so that the slab will rest upon its side in the guide trough ofthe table and on the shelves of the transfer carriage, the stops 46 arearranged as shown in Fig. 4, so that when the heads 35 are tilted, theslab will be prevented by contact with the stops, from turning throughan arc of one hundred and eighty degrees. When the edging pass is in therolls 1, the stops 46 are arranged as shown inFig. 5, so asgto preventthe slab from falling onto its side on the shelves, as in case it shouldturn onto its side before the tilting of the head, it would be deliveredonto the table B on its edge, when the head is tilted.

As shown in Fig. 4, the transfer carriage consists of the channel plates15, having the wheel carrying brackets secured on.the faces thereof, theposts or standards 14 forming the connecting member between the channelplates, and the rock shaft 41, whose bearings are formed in the lowerend of the posts or standards. While only one intermediate post orstandard is shown, it will be readily understood as many more as desiredmay be easily and quickly secured between the channel plates withoutdisturbing those already in place.

When it is desired to obtain a movement of the tilting head, greaterthan ninety degrees, the links 39 are omitted and the arm 40 has itsouter end constructed of a toothed segment 47, with which a toothedsegment 48 keyed to the pivot pin 49 of the tilting head 35,intermeshes, as shown in Fig. 7. By properly proportioning the toothedsegments 47 and 48, any desired degree of rotation of the tilting headcan be obtained. As shown in Fig. 8, an idler 50 may be interposedbetween the toothed segments 47 and 48.

I claim herein as my invention* 1. In a rolling mill,the combination ofrolls having two passes inV different vertical planes and adapted forsimultaneous operation on articles moving in opposite directions, areceiving mechanism arranged in line with one pass, a feed or deliverymechanism arranged in line with the other pass mechanism fortransferring the article being rolled from the receiving to the feedmechanism means wherebythe transfer mechanism is movable into operativeposition with relation to the feed and receiving mechanisms, whilearticles are being fed and received by said mechanisms, therebypermitting of the simultaneous reduction in both passes and the movementof the transfer mechanism from the receiving to the feed mechanism andreturn during such reduction, substantially as set forth.

2. In arrolling mill, the combination of rolls having two passes indifferent vertical planes and adapted for simultaneous operation onarticles moving in opposite directions, a receiving mechanismarranged inline with one;v pass, and a feed or delivery mechanism arranged in linewith the other pass, mechanism for transferring the article from thereceiving to the feed mechanism and rotating the article axially duringsuch transfer, and means whereby the transfer mechanism is shifted intooperative relation to the feed and receiving mechanisms, while articlesare being fed and receivedA by said mechanisms substantiallyy as setforth.

3. In a rolling mill, the combination of two stands of rolls, areceiving table arranged in line of feed of one stand of rolls, and a.feed or delivery table arranged in line of feed of the other stand ofrolls, mechanism for laterally transferring the article being rolledfrom one table to the other and axially rotating the article duringsuch'transfer, and means whereby the transfer mechanism is shifted intooperative relation to the feed and receiving mechanisms, while'articlesare being fed and received by said mechanisms substantially as setforth. 4. In a rolling mill, the combination of two stands of rolls, areceiving table arranged in the line of feed of one stand of rolls, afeed or delivery table arranged in line Yof feed of the other stand ofrolls, said tables being provided with overhanging rollers on theirinner or adjacent sides, and a transfer carriage operative between thetables, substantially as set forth.

5. In a rolling mill, the combination of a stand of rolls, a tablearranged in the line of feed of said rolls, and provided withoverhanging rollers and a transfer table movable under the overhangingrollers, substantially as set forth.

IIO

6. In a rolling mill, the combination of two lines of feed mechanismsfor delivering and receiving articles to be rolled to and from thereducing rolls, vertically movable rails or tracks arranged between thefeed mechanisms, a carriage provided with means for supporting thearticles being rolled and means for moving the carriage along said railsor tracks, into operative position with relation to the feed andreceiving mechanisms while articles are being fed and received by saidmechanisms, substantially as set forth.

7. In a rolling mill, the combination of two lines of feed mechanismsfor delivering and receiving articles to be rolled to and from thereducing rolls, vertically movable rails or tracks arranged between thefeed mechanisms, a carriage movable along said rails or tracks andprovided with means for su pporting the article to be rolled and meansoperated bythe carriage during its movement for axially rotating thearticle, substantially as set forth.

8. A transfer carriage for rolling mills having in combination alongitudinal beam, two or more posts or standards arranged on said beam,and supporting brackets secured on to the sides of the beam,substantially as set forth.

9. In a rolling mill, the combination of two lines of feed mechanismsfor delivering and receiving articles to be rolled to and from thereducing rolls, a carriage movable between such feed mechanisms, headsfor supporting the article to be rolled pivotally mounted on thecarriage and means for turning said heads, substantially as set forth.

10. A transfer mechanism for rolling mills having in combination a pairof rails, a care riage movable along the rails, heads for supporting thearticle to be rolled, pivotally mounted on the carriage, a ledge orguide provided with a curved groove at one end thereof, and a leverpivoted to the carriage, one end of the lever connected to the heads andthe opposite end bearing upon the ledge or guide, substantially as setforth.

ll. A transfer mechanism for rolling mills having in combination a pairof rails, a carriage movable along the rails, heads for supporting thearticle to be rolled, pivotally mounted on the carriage, a ledge orguide having an adjustable section provided with a curved groove and alever pivoted to the carriage, one end of the lever connected to theheads, and the opposite end bearing upon the ledge or guide,substantially as set forth.

12. The combination of a movable carriage, heads pivotally mounted onthe carriage, means for turning said heads, and stops for preventing anyaxial movement of articles supported by the heads, independent thereof,substantially as set forth.

In testimony whereof I have hereunto set my hand.

SIGMUND V. HUBER.

Witnesses:

DARWIN S. WOLCOTT, F. E. GAITHER.

